@article{TMF_2016_189_3_a4,
     author = {S. Yu. Slavyanov and D. F. Shat'ko and A. M. Ishkhanyan and T. A. Rotinyan},
     title = {Generation and removal of apparent singularities in linear ordinary differential equations with polynomial coefficients},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {371--379},
     year = {2016},
     volume = {189},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2016_189_3_a4/}
}